<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8"/>
		<title></title>
		<meta name="viewport" content="width=800,user-scalable=no">
		<!-- 只适用于移动端 -->
		<style type="text/css">
			body{
				margin: 0;
			}
			.d1{
				width: 800px;
				height: 800px;
				background-color: skyblue;
			}
			.d2{
				width: 200px;
				height: 200px;
				background-color: cyan;
			}
		
		</style>
	</head>
	<body>
		<div class="d1"></div>
		<div class="d2"></div>
	</body>
</html>